/*

 * Licensed to the Apache Software Foundation (ASF) under one

 * or more contributor license agreements.  See the NOTICE file

 * distributed with this work for additional information

 * regarding copyright ownership.  The ASF licenses this file

 * to you under the Apache License, Version 2.0 (the

 * "License"); you may not use this file except in compliance

 * with the License.  You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package com.bff.gaia.unified.sdk.io.gcp.bigquery;



import com.google.api.services.bigquery.model.TableReference;

import com.google.api.services.bigquery.model.TimePartitioning;



import javax.annotation.Nullable;

import java.io.Serializable;

import java.util.Objects;



/** Encapsulates a BigQuery table destination. */

public class TableDestination implements Serializable {

  private static final long serialVersionUID = 1L;

  private final String tableSpec;

  @Nullable private final String tableDescription;

  @Nullable private final String jsonTimePartitioning;



  public TableDestination(String tableSpec, @Nullable String tableDescription) {

    this(tableSpec, tableDescription, (String) null);

  }



  public TableDestination(TableReference tableReference, @Nullable String tableDescription) {

    this(tableReference, tableDescription, (String) null);

  }



  public TableDestination(

      TableReference tableReference,

      @Nullable String tableDescription,

      TimePartitioning timePartitioning) {

    this(

        BigQueryHelpers.toTableSpec(tableReference),

        tableDescription,

        timePartitioning != null ? BigQueryHelpers.toJsonString(timePartitioning) : null);

  }



  public TableDestination(

      String tableSpec, @Nullable String tableDescription, TimePartitioning timePartitioning) {

    this(

        tableSpec,

        tableDescription,

        timePartitioning != null ? BigQueryHelpers.toJsonString(timePartitioning) : null);

  }



  public TableDestination(

      TableReference tableReference,

      @Nullable String tableDescription,

      @Nullable String jsonTimePartitioning) {

    this(BigQueryHelpers.toTableSpec(tableReference), tableDescription, jsonTimePartitioning);

  }



  public TableDestination(

      String tableSpec, @Nullable String tableDescription, @Nullable String jsonTimePartitioning) {

    this.tableSpec = tableSpec;

    this.tableDescription = tableDescription;

    this.jsonTimePartitioning = jsonTimePartitioning;

  }



  public TableDestination withTableReference(TableReference tableReference) {

    return new TableDestination(tableReference, tableDescription, jsonTimePartitioning);

  }



  public String getTableSpec() {

    return tableSpec;

  }



  public TableReference getTableReference() {

    return BigQueryHelpers.parseTableSpec(tableSpec);

  }



  public String getJsonTimePartitioning() {

    return jsonTimePartitioning;

  }



  public TimePartitioning getTimePartitioning() {

    if (jsonTimePartitioning == null) {

      return null;

    } else {

      return BigQueryHelpers.fromJsonString(jsonTimePartitioning, TimePartitioning.class);

    }

  }



  @Nullable

  public String getTableDescription() {

    return tableDescription;

  }



  @Override

  public String toString() {

    String toString = "tableSpec: " + tableSpec;

    if (tableDescription != null) {

      toString += " tableDescription: " + tableDescription;

    }

    return toString;

  }



  @Override

  public boolean equals(Object o) {

    if (!(o instanceof TableDestination)) {

      return false;

    }

    TableDestination other = (TableDestination) o;

    return Objects.equals(this.tableSpec, other.tableSpec)

        && Objects.equals(this.tableDescription, other.tableDescription)

        && Objects.equals(this.jsonTimePartitioning, other.jsonTimePartitioning);

  }



  @Override

  public int hashCode() {

    return Objects.hash(tableSpec, tableDescription, jsonTimePartitioning);

  }

}